Example #1
0
        // 初始化信息
        void Init(HttpContext context)
        {
            this.ctx = context;
            isLog    = string.IsNullOrEmpty(ctx.Request.QueryString["IsLog"]) ? false : bool.Parse(ctx.Request.QueryString["IsLog"]);

            long   fileLength = string.IsNullOrEmpty(ctx.Request.QueryString["FileLength"]) ? 0 : long.Parse(ctx.Request.QueryString["FileLength"]);
            string src        = ctx.Request.QueryString["src"];
            string filename   = ctx.Request.QueryString["filename"];



            // 客户端最后写入时间,考虑到效率,据此简单判断客户端文件是否改变,断点续传时使用(如用HashCode对大文件影响效率)
            //string clientLastWriteFileTime = Func.AttrIsNull(ctx.Request.QueryString["LastWriteFileTime"]) ? String.Empty : ctx.Request.QueryString["LastWriteFileTime"];

            // 获取文件信息状态
            //fileInfo = new UploadFileInfo(userState.UserId, filename, clientLastWriteFileTime, fileSize);
            uploadConfig = UploadHelper.RetrieveConfig();
            fileInfo     = new UploadFileInfo("USERID", filename, fileLength);

            // 开始上传
            long startByte = string.IsNullOrEmpty(ctx.Request.QueryString["StartByte"]) ? 0 : long.Parse(ctx.Request.QueryString["StartByte"]);
            // 并不是获取上传字节
            bool getBytes = string.IsNullOrEmpty(context.Request.QueryString["GetBytes"]) ? false : bool.Parse(context.Request.QueryString["GetBytes"]);

            if (startByte == 0 && !getBytes)
            {
                this.WriteLog("Upload Begin");
            }
        }
Example #2
0
        private void RetrieveInitParams()
        {
            UploadConfig config = new UploadConfig();

            string fileMode = string.IsNullOrEmpty(Request["FileMode"]) ? "Multi" : Request["FileMode"];

            string bMaximumUpload = Request["MaximumUpload"];
            string maximumUpload  = String.Empty;

            if (string.IsNullOrEmpty(bMaximumUpload))
            {
                maximumUpload = ConverterM2B(config.MaxFileSize);
            }
            else
            {
                maximumUpload = ConverterM2B(float.Parse(bMaximumUpload));
            }

            string filter = HttpUtility.UrlDecode(string.IsNullOrEmpty(Request["Filter"]) ? "" : Request["Filter"]);

            if (string.IsNullOrEmpty(filter))
            {
                filter = config.FileFilter;
            }

            string maxNumberToUpload = Request["MaxNumberToUpload"];

            if (string.IsNullOrEmpty(maxNumberToUpload))
            {
                maxNumberToUpload = config.MaxFileNumber.ToString();
            }

            string allowThumbnail = string.IsNullOrEmpty(Request["AllowThumbnail"]) ? "" : Request["AllowThumbnail"].ToLower();

            if (string.IsNullOrEmpty(allowThumbnail))
            {
                allowThumbnail = config.AllowThumbnail.ToString();
            }

            string isLog = string.IsNullOrEmpty(Request["IsLog"]) ? "" : Request["IsLog"].ToLower();

            if (string.IsNullOrEmpty(isLog))
            {
                isLog = config.IsLog.ToString();
            }

            string _initParams = String.Empty;

            //增加RelateId   by dingx_new 2011-7-25
            //string uploadPage = Server.UrlPathEncode(config.HandlerPage);

            string uploadPage = Server.UrlPathEncode(GetUploadHandlerUrl());    //动态上传地址  2013-11 by dingx_new


            if (uploadPage.Contains('?'))
            {
                uploadPage += "&RelateId=" + this.Request.QueryString["RelateId"] + "&Src=" + this.Request.QueryString["Src"];
            }
            else
            {
                uploadPage += "?RelateId=" + this.Request.QueryString["RelateId"] + "&Src=" + this.Request.QueryString["Src"];
            }


            _initParams += //"UploadPage=" + Server.UrlPathEncode(config.HandlerPage + "?PassCode=" + this.PassCode) + ","
                           "UploadPage=" + uploadPage + ","
                           + "FileMode=" + fileMode + ","
                           + "MaximumUpload=" + maximumUpload + ","
                           + "Filter=" + filter + ","
                           + "MaxNumberToUpload=" + maxNumberToUpload + ","
                           + "AllowThumbnail=" + allowThumbnail + ","
                           + "IsLog=" + isLog + ","
                           + "ContinueSize=" + config.ContinueSize + ","
                           + "MaximumTotalUpload=-1,UploadChunkSize=4194304,MaxConcurrentUploads=1,ResizeImage=False,ImageSize=300,"
                           + "Multiselect=True,JsCompleteFunction=OnComplete,JsCancelFunction=OnCancel,JsCheckFunction=OnCheck";

            this.InitParams = _initParams;
        }
Example #3
0
        //// 获取上传得临时文件夹路径, 也即原Ftp目录路径
        //public static string GetTemparatoryDirectory()
        //{
        //    return  Config.File_TemparatoryDirectory;
        //}


        // 获取上传信息配置s
        public static UploadConfig RetrieveConfig()
        {
            UploadConfig _config = new UploadConfig();

            return(_config);
        }
Example #4
0
        public void ProcessRequest(HttpContext context, string uploadPath, UploadFileInfo fileInfo, UploadConfig uploadConfig)
        {
            // 是否已上传完毕
            bool complete = string.IsNullOrEmpty(context.Request.QueryString["Complete"]) ? true : bool.Parse(context.Request.QueryString["Complete"]);
            // 获取上传进度操作标识
            bool getBytes = string.IsNullOrEmpty(context.Request.QueryString["GetBytes"]) ? false : bool.Parse(context.Request.QueryString["GetBytes"]);
            // 上传开始位置,用于断点续传
            long startByte = string.IsNullOrEmpty(context.Request.QueryString["StartByte"]) ? 0 : long.Parse(context.Request.QueryString["StartByte"]);

            // 服务器端文件路径
            string filePath = Path.Combine(uploadPath, fileInfo.FileString);

            FileHelper.CheckFileFullPath(filePath);

            if (getBytes)
            {
                filePath = filePath.Replace("+", "%2b");
                FileInfo fi = new FileInfo(HttpContext.Current.Server.UrlDecode(filePath));

                if (!fi.Exists)
                {
                    context.Response.Write("0");
                }
                else
                {
                    context.Response.Write(fi.Length.ToString());
                }

                context.Response.Flush();
                return;
            }
            else
            {
                if (startByte > 0 && File.Exists(filePath))
                {
                    using (FileStream fs = File.Open(filePath, FileMode.Append))
                    {
                        SaveFile(context.Request.InputStream, fs);
                        fs.Close();
                    }
                }
                else
                {
                    using (FileStream fs = File.Create(filePath))
                    {
                        SaveFile(context.Request.InputStream, fs);
                        fs.Close();
                    }
                }
                if (complete)
                {
                    if (FileUploadCompleted != null)
                    {
                        FileUploadCompletedEventArgs args = new FileUploadCompletedEventArgs(fileInfo.FileName, filePath);
                        FileUploadCompleted(this, args);
                    }
                }
            }
        }